When we sleep, for example, the saliva stream slows, and sulfur producing bacteria gain the upper hand, producing classic "morning breath".
例如，当我们睡觉时，唾液流变慢，产生硫的细菌占上风，便会产生典型的“晨起口臭”。
The process by which hydrogen sulfide becomes sulfur is complex, and most often occurs when microbes, like bacteria, are present.
氢化硫转变为硫的过程十分复杂，通常是在有微生物（如细菌）存在的情况下才会发生。
The researchers proposed that, if sulfate-reducing bacteria Numbers jumped as ice cover dropped, they should see increasing levels of inorganic sulfur over time.
研究人员认为，如果硫酸盐还原细菌的数量随冰盖减少而大量增加，他们也会看到无机硫水平也会随时间而不断增高。
Not with oxygen, but via a sulfur compound-something most bacteria can't do.
但它消耗的不是氧气，而是一种硫化物。这点绝大多数的细菌都做不到。
The success of purple non-sulfur bacteria in lake Fryxell may be due to the highly unusual seasonal nature of Antarctic lakes.
紫色非硫细菌的成功在弗里克塞尔湖硫细菌可能是由于南极湖泊的极不寻常的季节性。
Although conditions in Lake Fryxell should be ideal for purple sulfur bacteria, Fryx1 is a purple non-sulfur bacterium.
虽然弗里克·塞尔湖条件应为紫色硫细菌的理想条件，但Fryx1是一个紫色非硫细菌。
We are hopeful that by targeting sulfur compounds we can stop the bacteria from establishing a foothold in the intestine.
我们希望通过靶向含硫化合物，我们能阻止这种细菌在肠里建立根据地。
Because strain Fryx1 is a purple non-sulfur bacterium, this is the first example of a truly planktonic isolate among this group of phototrophic purple bacteria (van Gemerden and Mas 1995).
由于Fryx1株是一个紫色非硫细菌，所以这是第一个真正的单独浮游在这种紫色光合细菌组的细菌(van Gemerden and Mas 1995)。
The typical versatility of purple non-sulfur bacteria in terms of dark metabolism (Madigan 1988, 1998) may thus favor this physiological group over purple sulfur bacteria in Lake Fryxell.
在弗里克塞尔湖中紫色非硫细菌典型的多功能性，在暗反应方面来说Madigan 1988 1998可能因此比紫色硫细菌在生理方面更有利。
The actual causes of bad breath is caused by the large population of bacteria and chemicals such as acid indomethacin-yan, and the smell of sulfur and so on there.
实际口臭的原因是细菌大量繁殖导致的酸性及化学物如吲哚美欣，及硫化物等等出现的气味。
Though the bacteria do release some useful vitamins, they also produce chemicals containing sulfur, which is responsible for the smell in flatulence.
尽管这些细菌会释放一些有用的维生素，它会产生硫化物，这也是臭气的罪魁祸首。
Without oxygen to help wear down the continents, sulfur minerals stay locked in the rocks and unavailable to hungry bacteria.
由于没有氧气可使陆地分解，因此含硫矿物便封存在岩石中，饥饿的细菌也就没东西可吃了。
Effects of concentration of solids in liquid manure and amount of mixed sulfur bacteria liquid inoculated on bioleaching of heavy metals from pig manure were studied.
研究了粪液固体浓度和硫细菌混合菌液接种量对猪粪中重金属生物沥浸的影响。
Purified purple non-sulfur bacteria 01s strain was separated and fostered from activated sludge of brewery wastewater and used to treat high concentrated organic brewery wastewater.
从酿酒废水的活性污泥中分离、培养得到纯化的紫色非硫细菌01s菌株，并用其处理高浓度有机酿酒废水。
The population of sulfur-oxidizing bacteria was low, and it was even lower while the wheat growth period prolonged.
硫化菌数量相对较少，且随小麦生长期的延长逐渐减少。
The study indicates that moderate thermophilic acidophilic iron-oxidizing or sulfur-oxidizing bacteria play important roles in bioleaching process.
这一研究表明，中度嗜热的铁或硫氧化细菌在浸矿过程中具有重要的作用。
The microorganisms used for bioleaching are mainly iron-oxidizing or sulfur-oxidizing bacteria which live in acid condition.
能够进行生物浸矿的微生物主要是一些在酸性环境中生长的铁或硫氧化细菌。
The sulfur-oxidizing bacteria have a characteristic of oxidating sulfur and sulfide into sulfuric acid.
硫氧化细菌具有氧化单质硫及硫化物，生成硫酸的特性。
The primary researches on the amount distributions and groups of purple non-sulfur bacteria in estuary sludge of Xinyang Shihe river were carried out.
对信阳浉河河口污泥中紫色非硫细菌的类群和数量分布进行了初步研究。
Sulfate reducing bacteria(SRB)is the bacteria which can reduce sulfate, sulfite and thiosulfate as well as element sulfur into H_2S.
硫酸盐还原菌是指一类能把硫酸盐、亚硫酸盐、硫代硫酸盐等硫氧化以及元素硫还原形成H_2S的生理特性细菌的统称。
Though the bacteria do release some useful vitamins, they also produce chemicals containing sulfur, which is responsible for the smell in flatulence.
尽管这些细菌会释放一些有用的维生素，它会产生硫化物这也是臭气的罪魁祸首。
With the biological characteristic of sulfur-oxidizing bacteria, sulfur is oxidized into sulfuric acid which neutralizes the OH -, so as to achieve the purpose of improved saline-alkali soil.
根据硫氧化细菌的这种生物特性，使其在盐碱土中发生生化反应，将硫磺粉氧化生成硫酸，中和盐碱土中的OH-，从而达到改良盐碱土的目的。
With the biological characteristic of sulfur-oxidizing bacteria, sulfur is oxidized into sulfuric acid which neutralizes the OH -, so as to achieve the purpose of improved saline-alkali soil.
根据硫氧化细菌的这种生物特性，使其在盐碱土中发生生化反应，将硫磺粉氧化生成硫酸，中和盐碱土中的OH-，从而达到改良盐碱土的目的。
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